US Patent 7563087 Pump rotor seal apparatus and method
Patent 7563087 was granted and assigned to SPX Corporation on July, 2009 by the United States Patent and Trademark Office.
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Patent abstract
An improved pump and pumping method includes a circumferential positive displacement pump having two counter rotating rotors. A clearance gap is defined between the rotor shaft, and a body hub portion of the body that forms the chamber.
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US Patent 07563087 Pump rotor seal apparatus and method US Patent 7563087 Pump rotor seal apparatus and method
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Patent Number
0756308700
Patent Number
756308700
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075630870
Date of Patent
July 21, 2009
0Patent Application Number
114055250
Date Filed
April 18, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075630870
Date of Patent
July 21, 2009
0Patent Application Number
114055250
Date Filed
April 18, 2006
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07563087 Pump rotor seal apparatus and method
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07563087
Date of patent
July 21, 2009
Patent application number
11405525
Date Filed
April 18, 2006
Patent primary examiner
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